//
// Forms
// --------------------------------------------------


// GENERAL STYLES
// --------------

// Make all forms have space below them
form {
	margin: 0 0 @baseLineHeight;
}

fieldset {
	padding: 0;
	margin: 0;
	border: 0;
}

// Groups of fields with labels on top (legends)
legend {
	display: block;
	width: 100%;
	padding: 0;
	margin-bottom: @baseLineHeight / 2;
	font-size: @baseFontSize * 1.5;
	line-height: @baseLineHeight * 2;
	color: @black;
	border: 0;
	font-weight: 100;
	// Small
	small {
		font-size: @baseLineHeight * .75;
		color: @grayLight;
	}
}

// Set font for forms
label,
input,
button,
select,
textarea {
	#font > .shorthand(@baseFontSize,normal,@baseLineHeight); // Set size, weight, line-height here
}

input,
button,
select,
textarea {
	font-family: @baseFontFamily; // And only set font-family here for those that need it (note the missing label element)
}

// Identify controls by their labels
label {
	display: block;
	margin-bottom: 5px;
}

// Form controls
// -------------------------

// Shared size and type resets
select,
textarea,
input[type="text"],
input[type="password"],
input[type="datetime"],
input[type="datetime-local"],
input[type="date"],
input[type="month"],
input[type="time"],
input[type="week"],
input[type="number"],
input[type="email"],
input[type="url"],
input[type="search"],
input[type="tel"],
input[type="color"],
.uneditable-input {
	display: inline-block;
	height: @baseLineHeight;
	padding: 4px 8px;
	margin-bottom: 9px;
	font-size: @baseFontSize;
	line-height: @baseLineHeight;
	color: @gray;
}

// Reset appearance properties for textual inputs and textarea
// Declare width for legacy (can't be on input[type=*] selectors or it's too specific)
input,
textarea,
.uneditable-input {
	width: 202px; // plus 12px padding and 2px border
}
// Reset height since textareas have rows
textarea {
	height: auto;
}
// Everything else
textarea,
input[type="text"],
input[type="password"],
input[type="datetime"],
input[type="datetime-local"],
input[type="date"],
input[type="month"],
input[type="time"],
input[type="week"],
input[type="number"],
input[type="email"],
input[type="url"],
input[type="search"],
input[type="tel"],
input[type="color"],
.uneditable-input {
	background-color: @inputBackground;
	border: 1px solid @inputBorder;
	.transition(~"border linear .2s");

	&:hover {
		border-color: @inputBorderHover;
	}

	&:focus {
		border-color: @inputBorderFocus;
		outline: 0;
		outline: thin dotted \9; /* IE6-9 */
	}
}

// Position radios and checkboxes better
input[type="radio"],
input[type="checkbox"] {
	margin: 4px 0 0;
	*margin-top: 0; /* IE7 */
	margin-top: 1px \9; /* IE8-9 */
	line-height: normal;
	cursor: pointer;
}

// Reset width of input images, buttons, radios, checkboxes
input[type="file"],
input[type="image"],
input[type="submit"],
input[type="reset"],
input[type="button"],
input[type="radio"],
input[type="checkbox"] {
	width: auto; // Override of generic input selector
}

// Set the height of select and file controls to match text inputs
select,
input[type="file"] {
	height: 30px; /* In IE7, the height of the select element cannot be changed by height, only font-size */
	*margin-top: 4px; /* For IE7, add top margin to align select with labels */
	line-height: 30px;
}

// Make select elements obey height by applying a border
select {
	width: 220px; // default input width + 10px of padding that doesn't get applied
	border: 1px solid @inputBorder;
	background-color: @inputBackground; // Chrome on Linux and Mobile Safari need background-color
	padding: 0 0 0 8px;
	// Make multiple select elements height not fixed
	&[multiple],
	&[size] {
		height: auto;
		padding: 0;
	}

	&:hover {
		border-color: @inputBorderHover;
	}

	&:focus {
		border-color: @inputBorderFocus;
		.tab-focus();
	}
}

// Focus for file, radio, and checkbox
input[type="file"]:focus,
input[type="radio"]:focus,
input[type="checkbox"]:focus {
	.tab-focus();
}


// Uneditable inputs
// -------------------------

// Make uneditable inputs look inactive
.uneditable-input,
.uneditable-textarea {
	color: @grayLight;
	background-color: darken(@inputBackground, 1%);
	border-color: @inputBorder;
	cursor: not-allowed;

	&:hover,
	&:focus {
		border-color: @inputBorder;
	}
}

// For text that needs to appear as an input but should not be an input
.uneditable-input {
	overflow: hidden; // prevent text from wrapping, but still cut it off like an input does
	white-space: nowrap;
}

// Make uneditable textareas behave like a textarea
.uneditable-textarea {
	width: auto;
	height: auto;
}


// Placeholder
// -------------------------

// Placeholder text gets special styles because when browsers invalidate entire lines if it doesn’t understand a selector
input,
textarea {
	.placeholder();
}


// CHECKBOXES & RADIOS
// -------------------

// Indent the labels to position radios/checkboxes as hanging
.radio,
.checkbox {
	min-height: 18px; // clear the floating input if there is no label text
	padding-left: 18px;
}

	.radio input[type="radio"],
	.checkbox input[type="checkbox"] {
		float: left;
		margin-left: -18px;
	}

	// Custom checkboxes and radios
	// -----------
	.radio.custom input[type="radio"],
	.checkbox.custom input[type="checkbox"] {
		opacity: 0;
	}

	.radio.custom span.radio-label,
	.checkbox.custom span.checkbox-label {
		background-image: url(controls.png), url(controls.png), url(controls.png);
		background-repeat: no-repeat;
		padding-left: 21px;
		margin-left: -21px;
	}

	.checkbox.custom input[type="checkbox"] {

		&+span.checkbox-label {
			background-position: left -37px;
		}

		&:checked + span.checkbox-label {
			background-position: left 39px, left -113px, left -37px;
		}

		&[disabled] + span.checkbox-label {
			background-position: left -75px;
		}

		&[disabled]:checked + span.checkbox-label {
			background-position: left 39px, left -132px, left -75px;
		}
	}

	.radio.custom input[type="radio"] {

		&+span.radio-label {
			background-position: left -227px;
		}

		&:checked + span.radio-label {
			background-position: left 39px, left -303px, left -227px;
		}

		&[disabled] + span.radio-label {
			background-position: left -265px;
		}

		&[disabled]:checked + span.radio-label {
			background-position: left 39px, left -322px, left -265px;
		}
	}

// Move the options list down to align with labels
.controls > .radio:first-child,
.controls > .checkbox:first-child {
	padding-top: 5px; // has to be padding because margin collaspes
}

// Radios and checkboxes on same line
// TODO v3: Convert .inline to .control-inline
.radio.inline,
.checkbox.inline {
	display: inline-block;
	padding-top: 5px;
	margin-bottom: 0;
	vertical-align: middle;
}

	.radio.inline + .radio.inline,
	.checkbox.inline + .checkbox.inline {
		margin-left: 10px; // space out consecutive inline controls
	}



// INPUT SIZES
// -----------

// General classes for quick sizes
.input-mini {
	width: 60px;
}

.input-small {
	width: 90px;
}

.input-medium {
	width: 150px;
}

.input-large {
	width: 210px;
}

.input-xlarge {
	width: 270px;
}

.input-xxlarge {
	width: 530px;
}

// Grid style input sizes
input[class*="span"],
select[class*="span"],
textarea[class*="span"],
.uneditable-input[class*="span"],
// Redeclare since the fluid row class is more specific
.row-fluid input[class*="span"],
.row-fluid select[class*="span"],
.row-fluid textarea[class*="span"],
.row-fluid .uneditable-input[class*="span"] {
	float: none;
	margin-left: 0;
}
// Ensure input-append never wraps
.input-append input[class*="span"],
.input-append .uneditable-input[class*="span"],
.row-fluid input[class*="span"],
.row-fluid select[class*="span"],
.row-fluid textarea[class*="span"],
.row-fluid .uneditable-input[class*="span"],
.row-fluid .input-append [class*="span"] {
	display: inline-block;
}



// GRID SIZING FOR INPUTS
// ----------------------

// Grid sizes
#grid > .input(@gridColumnWidth, @gridGutterWidth);
// Control row for multiple inputs per line
.controls-row {
	.clearfix(); // Clear the float from controls
}

	.controls-row [class*="span"] {
		float: left; // Float to collapse white-space for proper grid alignment
	}




// DISABLED STATE
// --------------

// Disabled and read-only inputs
input[disabled],
select[disabled],
textarea[disabled],
input[readonly],
select[readonly],
textarea[readonly] {
	cursor: not-allowed;
	background-color: @inputDisabledBackground;

	&:hover,
	&:focus {
		border-color: @inputBorder;
	}
}
// Explicitly reset the colors here
input[type="radio"][disabled],
input[type="checkbox"][disabled],
input[type="radio"][readonly],
input[type="checkbox"][readonly] {
	background-color: transparent;
}




// FORM FIELD FEEDBACK STATES
// --------------------------

// Warning
.control-group.warning {
	.formFieldState(@warningText, @warningText);
}
// Error
.control-group.error {
	.formFieldState(@errorText, @errorText);
}
// Success
.control-group.success {
	.formFieldState(@successText, @successText);
}
// Success
.control-group.info {
	.formFieldState(@infoText, @infoText);
}

// HTML5 invalid states
// Shares styles with the .control-group.error above
input:focus:required:invalid,
textarea:focus:required:invalid,
select:focus:required:invalid {
	color: #b94a48;
	border-color: #ee5f5b;

	&:focus {
		border-color: darken(#ee5f5b, 10%);
	}
}



// FORM ACTIONS
// ------------

.form-actions {
	padding: (@baseLineHeight - 1) 20px @baseLineHeight;
	margin-top: @baseLineHeight;
	margin-bottom: @baseLineHeight;
	background-color: @formActionsBackground;
	border-top: 1px solid #e5e5e5;
	.clearfix(); // Adding clearfix to allow for .pull-right button containers
}



// HELP TEXT
// ---------

.help-block,
.help-inline {
	color: lighten(@textColor, 30%); // lighten the text some for contrast
}

.help-block {
	display: block; // account for any element using help-block
	margin-bottom: @baseLineHeight / 2;
}

.help-inline {
	display: inline-block;
	.ie7-inline-block();
	vertical-align: middle;
	padding-left: 5px;
}



// INPUT GROUPS
// ------------

// Allow us to put symbols and text within the input field for a cleaner look
.input-append {
	margin-bottom: 5px;
	font-size: 0;
	white-space: nowrap; // Prevent span and input from separating
	input,
	select,
	.uneditable-input {
		position: relative; // placed here by default so that on :focus we can place the input above the .add-on for full border and box-shadow goodness
		margin-bottom: 0; // prevent bottom margin from screwing up alignment in stacked forms
		*margin-left: 0;
		font-size: @baseFontSize;
		vertical-align: top;
		// Make input on top when focused so blue border and shadow always show
		&:focus {
			z-index: 2;
		}

		&:hover + .add-on {
			border-color: @inputBorderHover;
		}

		&:focus + .add-on {
			border-color: @inputBorderFocus;
		}
	}

	.add-on {
		display: inline-block;
		width: auto;
		height: @baseLineHeight;
		min-width: 16px;
		padding: 4px 5px;
		font-size: @baseFontSize;
		font-weight: normal;
		line-height: @baseLineHeight;
		text-align: center;
		border: 1px solid #ccc;
		.transition(~"border linear .2s");
	}

	.add-on,
	.btn {
		vertical-align: top;
	}

	.active {
		background-color: lighten(@green, 30);
		border-color: @green;
	}
}

.input-append {
	input,
	select,
	.uneditable-input {
		border-right: 0 none;
	}

	.add-on {
		background-color: @inputBackground;
	}

	.add-on,
	.btn {
		margin-left: -1px;
	}

		.add-on:last-child,
		.btn:last-child {
			//.border-radius(0 @inputBorderRadius @inputBorderRadius 0);
		}
}

// HORIZONTAL & VERTICAL FORMS
// ---------------------------

// Common properties
// -----------------

.form-inline,
.form-horizontal {
	input,
	textarea,
	select,
	.help-inline,
	.uneditable-input,
	.input-append {
		display: inline-block;
		.ie7-inline-block();
		margin-bottom: 0;
		vertical-align: middle;
	}
	// Re-hide hidden elements due to specifity
	.hide {
		display: none;
	}
}

	.form-inline label,
	.form-inline .btn-group {
		display: inline-block;
	}
	// Remove margin for input-append
	.form-inline .input-append {
		margin-bottom: 0;
	}
	// Inline checkbox/radio labels (remove padding on left)
	.form-inline .radio,
	.form-inline .checkbox {
		padding-left: 0;
		margin-bottom: 0;
		vertical-align: middle;
	}
		// Remove float and margin, set to inline-block
		.form-inline .radio input[type="radio"],
		.form-inline .checkbox input[type="checkbox"] {
			float: left;
			margin-right: 3px;
			margin-left: 0;
		}


// Margin to space out fieldsets
.control-group {
	margin-bottom: @baseLineHeight / 2;
}

// Legend collapses margin, so next element is responsible for spacing
legend + .control-group {
	margin-top: @baseLineHeight;
	-webkit-margin-top-collapse: separate;
}

// Horizontal-specific styles
// --------------------------

.form-horizontal {
	// Increase spacing between groups
	.control-group {
		margin-bottom: @baseLineHeight;
		.clearfix();
	}
	// Float the labels left
	.control-label {
		float: left;
		width: @horizontalComponentOffset - 20;
		padding-top: 5px;
		text-align: right;
	}
	// Move over all input controls and content
	.controls {
		// Super jank IE7 fix to ensure the inputs in .input-append
		// don't inherit the margin of the parent, in this case .controls
		*display: inline-block;
		*padding-left: 20px;
		margin-left: @horizontalComponentOffset;
		*margin-left: 0;

		&:first-child {
			*padding-left: @horizontalComponentOffset;
		}
	}
	// Remove bottom margin on block level help text since that's accounted for on .control-group
	.help-block {
		margin-bottom: 0;
	}
	// And apply it only to .help-block instances that follow a form control
	input,
	select,
	textarea {
		+ .help-block {
			margin-top: @baseLineHeight / 2;
		}
	}
	// Move over buttons in .form-actions to align with .controls
	.form-actions {
		padding-left: @horizontalComponentOffset;
	}
}
